document.body.style.background='green';

function highlightOnLoad(searchString) {
    // Starting node, parent to all nodes you want to search
    var textContainerNode = document.body;

    // Split search terms on '|' and iterate over resulting array
    var searchTerms = searchString.split('|');
    for (var i in searchTerms) 	{
      // The regex is the secret, it prevents text within tag declarations to be affected
      var regex = new RegExp(">([^<]*)?("+searchTerms[i]+")([^>]*)?<","ig");
      highlightTextNodes(textContainerNode, regex, i);
    }
}

// Pull the search string out of the URL
function getSearchString() {
  // Return sanitized search string if it exists
  var rawSearchString = window.location.search.replace(/[a-zA-Z0-9\?\&\=\%\#]+s\=(\w+)(\&.*)?/,"$1");
  // Replace '+' with '|' for regex
  // Also replace '%20' if your cms/blog uses this instead (credit to erlando for adding this)
  return rawSearchString.replace(/\%20|\+/g,"\|");
}

function highlightTextNodes(element, regex, termid) {
  var tempinnerHTML = element.innerHTML;
  // Do regex replace
  // Inject span with class of 'highlighted termX' for google style highlighting
  element.innerHTML = tempinnerHTML.replace(regex,'>$1<span class="highlighted term'+termid+'">$2</span>$3<');
}

